生活型

herb

形態特徵

• Herbs, to 70 cm tall; stems square, angles obtuse, puberulent.
• Leaves subsessile or petiolate; petioles minutely hairy, to 5 mm long; blades 5–20 mm long, 5–10 mm wide, ovate, base obtuse, apex acute to obtuse, margins entire, both surfaces minutely hairy, covered with glandular dots, the veinlets prominent beneath, in 2 or 3 pairs.
• Inflorescences terminal thyrses; leafy bracteoles elliptic to ovate, glabrous or sparsely and minutely hairy, glandular dotted on upper parts. Flowers subsessile or with pedicels to 5 mm long; calyx campanulate, minutely hairy, glandular dotted, 3–4 mm long, 5-toothed, teeth equal, narrowly triangular; corolla tubular, sparsely and minutely hairy outside and on throat, 6–7 mm long, limb bilabiate, upper lip ovate, undulate, lower lip 3-lobed, central lobe very broadly ovate, 2 lateral lobes broadly ovate.
• Nutlets ovoid, compressed, smooth, ca. 0.5 mm wide.

分布

• 世界 : Widely distributed in temperate area.

引證標本

TAIPEI: Shihting, Huang 4007. ILAN: Nanhutashan, Kao 5243. HSINCHU: Kuanwu, Fukuyama 3510. NANTOU: Nengkao, Kao 5729. CHIAYI: Yushan, Chuang 2938. TAITUNG: Hsinkang, Yamamoto s. n. 1931.

引用文獻

• HUANG, Tseng-Chieng, HSIEH, Tsung-Hsin and CHENG, Wu-Tsang, Flora of Taiwan, second edition 4: 500. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)